package com.xc.smart.exception;

import com.xc.smart.utlis.R;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.dao.DuplicateKeyException;
import org.springframework.web.HttpRequestMethodNotSupportedException;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.MissingServletRequestParameterException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

/**
 * 异常处理器
 *
 */
@RestControllerAdvice
public class RRExceptionHandler {
	private Logger logger = LoggerFactory.getLogger(getClass());

	/**
	 * 处理自定义异常
	 */
	@ExceptionHandler(RRException.class)
	public R handleRRException(RRException e){
		R r = new R();
		r.put("code", e.getCode());
		r.put("msg", e.getMessage());

		return r;
	}

	@ExceptionHandler(DuplicateKeyException.class)
	public R handleDuplicateKeyException(DuplicateKeyException e){
		logger.error(e.getMessage(), e);
		return R.error(2001,"数据库中已存在该记录");
	}

	@ExceptionHandler(Exception.class)
	public R handleException(Exception e){
		logger.error(e.getMessage(),e);
		return R.error(2001,"网络异常");
	}

	@ExceptionHandler(MissingServletRequestParameterException.class)
	public R missingServletRequestParameterException(MissingServletRequestParameterException e){
		logger.error(e.getMessage(),e);
		return R.error(2001,"参数不匹配");
	}

	@ExceptionHandler(HttpRequestMethodNotSupportedException.class)
	public R httpRequestMethodNotSupportedException(HttpRequestMethodNotSupportedException e){
		logger.error(e.getMessage(),e);
		return R.error(2001,"请求方式错误");
	}

	/**
	 * 方法参数校验
	 */
	@ExceptionHandler(MethodArgumentNotValidException.class)
	public R handleMethodArgumentNotValidException(MethodArgumentNotValidException e) {
		logger.error(e.getMessage(), e);
		return R.error(2001,e.getBindingResult().getFieldError().getDefaultMessage());
	}
}
